Dr. Attaran studied as an undergraduate at the University of Toronto, Canada. He attended medical school at the University of Sheffield, UK, with Honors. He completed his internal medicine residency and cardiovascular medicine fellowship at the University of Arizona before completing his interventional cardiology fellowship at Yale University.
His interests outside interventional cardiology include treatments for peripheral arterial and venous disease. He is Director of the Venous Disorders Program, at the Department of Medicine.
He is involved in a number of national and international research studies in cardiovascular intervention. He serves on the American College of Cardiology's National Cardiovascular Data Registry, Research and Publications Committee.